{"id":"001606290","type":"article","title":"Four Millennia of Cultural History in Nigeria (ca. 2000 B.C.-A.D. 1900)","publisher":"Springer","publisher-place":"Heidelberg","pages":"133-168","container-title":"Journal of World Prehistory, 19 (2005","author":[{"family":"Ogundiran","given":"Akinwumi"}],"issued":{"raw":"2005"}}